Question

The perimeter of triangle ABC is 60 cmits sides AB, BC and AC are respectively 10cm,25cmand (Y+5) cm .

Calculate the value of Y
step by step​

Answer 1

Answer:

so the perimeter is 60 cm

AB+BC+AC = 60

10+25+(Y+5) = 60

(y+5) = 60 - 35 = 25

y+5 = 25

y = 25-5 = 20

y= 20.

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